This comprehensive book (in Bangla language) delves into the fascinating historical evolution of district formation and administrative structures in North Bengal. Through detailed research and archival photographs, it chronicles the development of various administrative buildings, offices, and institutional frameworks that shaped the region's governance. The text presents a scholarly examination of how different districts emerged and evolved over time, accompanied by visual documentation of historical and contemporary administrative architecture. From colonial-era structures to modern government complexes, this volume offers valuable insights into the administrative heritage of North Bengal. The book serves as an essential reference for researchers, administrators, and anyone interested in understanding the historical transformation of North Bengal's district-level governance and institutional framework. Written in Bengali, it provides an authoritative account supported by extensive visual documentation of administrative buildings across different time periods.